Solution

In a certain machining workshop in Jiangsu Province, 34 units of model DWLP-8P-DS industrial energy-efficient and power-saving air conditioners were installed. The air outlet temperature is 18~21℃, the overall temperature dropped to 27℃±1℃ and each air conditioner consumes only 6 kilowatt-hours per hour, the 34 units consume 204 kilowatt-hours per hour.